Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thi chieu » thi chien, thi hieu, theo chieu
hanh tang » hanh trang, anh tang, hanh mang
va phuong » va thuong, cac phuong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
tang va » trang va, tang van, thang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (ho chieu)) xanh - hanh tang va phuong cong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (ho chieu)) xanh - hanh tang va phuong cong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (ho chieu)) xanh - hanh tang va phuong cong tac ((toan cau) or (toan ban))*.